Discovery of a trigonalid wasp, Bareogonalos xibeidai (Hymenoptera: Trigonalidae), reared from nests of Vespula koreensis koreensis (Hymenoptera: Vespidae) in South Korea

Abstract Bareogonalos xibeidai Tan and van Achterberg, 2017 (Hymenoptera: Trigonalidae) was newly recognized in South Korea. The species was reared from the nest cells of the Korean yellowjacket, Vespula koreensis koreensis Radoszkowski, 1887 (Hymenoptera: Vespidae), which is a new host record for the trigonalid species. Diagnoses and images of the species and genus are provided in the present study.